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Biochemical sensors based on polymer microrings with sharp
... their large Q factors of resonance.2 These sensors rely on accurate measurement of the effective refractive index change due to the presence of biomolecules on the surface of sensing areas, or the presence of a solution surrounding the devices.3,4 Boyd and Heebner proposed that sensing can also rely ...
... their large Q factors of resonance.2 These sensors rely on accurate measurement of the effective refractive index change due to the presence of biomolecules on the surface of sensing areas, or the presence of a solution surrounding the devices.3,4 Boyd and Heebner proposed that sensing can also rely ...
OPTICAL ADD-DROP MULTIPLEXERS
... 11.2 THE OADM FUNCTION The main function of an optical multiplexer is to couple two or more wavelengths into the same fiber. If a demultiplexer is placed and properly aligned back-to-back with a multiplexer, it is clear that in the area between them, two individual wavelengths exist. ...
... 11.2 THE OADM FUNCTION The main function of an optical multiplexer is to couple two or more wavelengths into the same fiber. If a demultiplexer is placed and properly aligned back-to-back with a multiplexer, it is clear that in the area between them, two individual wavelengths exist. ...
The mechanism for continuum polarization in laser induced
... asymmetric profiles in both P and α0. There is a hint of such asymmetry in the fs data as well, although the poorer signal/noise ratio makes this effect more difficult to discern. In all the experiments described so far, the laser was incident at an oblique angle 30° from the normal, and the emission ...
... asymmetric profiles in both P and α0. There is a hint of such asymmetry in the fs data as well, although the poorer signal/noise ratio makes this effect more difficult to discern. In all the experiments described so far, the laser was incident at an oblique angle 30° from the normal, and the emission ...
spectroscopic ellipsometry as a versatile tool to study thin films
... Thus, ellipsometry is mainly used to determine film thickness and optical constants (refractive index, n and extinction coefficient, k) not only for single-layers but also for multi-layer thin films. However, it is also applied to characterize composition, crystallinity, roughness, doping concentrat ...
... Thus, ellipsometry is mainly used to determine film thickness and optical constants (refractive index, n and extinction coefficient, k) not only for single-layers but also for multi-layer thin films. However, it is also applied to characterize composition, crystallinity, roughness, doping concentrat ...
Experiment Guide - Industrial Fiber Optics
... a shadow is created. Under special circumstances it can be shown that an obstruction actually causes diffractive effects related to the wave properties of light. Figure 1 shows what occurs when an obstruction with an opening in it is placed in the path of a wave front. When the wave passes through t ...
... a shadow is created. Under special circumstances it can be shown that an obstruction actually causes diffractive effects related to the wave properties of light. Figure 1 shows what occurs when an obstruction with an opening in it is placed in the path of a wave front. When the wave passes through t ...
Optical Fiber Sensors Guide
... suggested that the UV irradiation may induce rearrangement of the molecular structure, leading to a compaction of the glass matrix (referred to as the compaction model). Different schemes have been reported for externally writing gratings in optical fibers. They include the conventional two beam-int ...
... suggested that the UV irradiation may induce rearrangement of the molecular structure, leading to a compaction of the glass matrix (referred to as the compaction model). Different schemes have been reported for externally writing gratings in optical fibers. They include the conventional two beam-int ...
Print this article - Indian Journal of Science and Technology
... index profile. Due thinning of the core, light propagated through the tapered region will be more distorted. On the other hand, different methods of coating have shown different results to both of the tapered fibers. Seeded method has exhibited better performance as the sensitivities of proposed sen ...
... index profile. Due thinning of the core, light propagated through the tapered region will be more distorted. On the other hand, different methods of coating have shown different results to both of the tapered fibers. Seeded method has exhibited better performance as the sensitivities of proposed sen ...
DIOPTRICS OF THE FACET LENSES OF MALE BLOWFLIES
... and back lens surfaces, diameter, and thickness profile. The relation between the radius of the front curvature and the diameter appeared to be in agreement with that found with the optical methods described above, but because the experimental errors in the data obtained from the fluorescence photog ...
... and back lens surfaces, diameter, and thickness profile. The relation between the radius of the front curvature and the diameter appeared to be in agreement with that found with the optical methods described above, but because the experimental errors in the data obtained from the fluorescence photog ...
Guide for the Measurement of Smooth Surface Topography using
... Liam Blunt (University of Huddersfield), Dr Mike Walls (Applied Multilayers), David Flack and Chris Jones (NPL), Dr Erik Novak (Veeco), Dr Carol Daniel (Lambda Photometrics) and Dr Ted Vorburger (NIST) for contributing and suggesting improvements to this guide. ...
... Liam Blunt (University of Huddersfield), Dr Mike Walls (Applied Multilayers), David Flack and Chris Jones (NPL), Dr Erik Novak (Veeco), Dr Carol Daniel (Lambda Photometrics) and Dr Ted Vorburger (NIST) for contributing and suggesting improvements to this guide. ...
CHAPTER 1 Wave Nature of Light
... wavefronts are parallel and then the beam slowly diverges as the wavefronts curve out during propagation along z. ...
... wavefronts are parallel and then the beam slowly diverges as the wavefronts curve out during propagation along z. ...
Evanescent Waves in the Near- and the Far Field
... The total reflected and refracted fields are then simply superpositions of these partial waves, and the result is again an angular spectrum representation. This yields an exact solution for the radiation field of a source near an interface (Sipe, 1981, 1987), and the result has been applied to calcu ...
... The total reflected and refracted fields are then simply superpositions of these partial waves, and the result is again an angular spectrum representation. This yields an exact solution for the radiation field of a source near an interface (Sipe, 1981, 1987), and the result has been applied to calcu ...
Characterization of acceptance angles of small circular
... fabricated on a metal-coated CMOS sensor to produce projection images, is one example of such imaging systems [13,14]. In aperture-based light collection systems such as the OFM, we define θ as the incidence of a plane wave where its transmission is half that of the maximum. The full width half maxi ...
... fabricated on a metal-coated CMOS sensor to produce projection images, is one example of such imaging systems [13,14]. In aperture-based light collection systems such as the OFM, we define θ as the incidence of a plane wave where its transmission is half that of the maximum. The full width half maxi ...
Wavelength Division Multiplexing of a Fibre
... response of the two 16 channel DWDM filters, the four bare FBG sensors, and the laser diode. Of the four commercial FBG sensor wavelengths available (1544, 1548, 1552, and 1556nm), the 1552nm FBG had a 3dB point closest to one of the pass band peaks in the 16 channel DWDM filter. The tunable laser w ...
... response of the two 16 channel DWDM filters, the four bare FBG sensors, and the laser diode. Of the four commercial FBG sensor wavelengths available (1544, 1548, 1552, and 1556nm), the 1552nm FBG had a 3dB point closest to one of the pass band peaks in the 16 channel DWDM filter. The tunable laser w ...
Full-Text PDF
... Therefore, too simplistic frequency dependent models to describe the permittivity are not suitable for numerical calculations when the matching with experimental data is an issue. However, it is also unnecessary to employ very complex theoretical models, in fact quite often environment conditions si ...
... Therefore, too simplistic frequency dependent models to describe the permittivity are not suitable for numerical calculations when the matching with experimental data is an issue. However, it is also unnecessary to employ very complex theoretical models, in fact quite often environment conditions si ...
Waveguide Dispersion
... Rayleigh scattering involves the polarization of a small dielectric particle or a region that is much smaller than the light wavelength. The field forces dipole oscillations in the particle (by polarizing it) which leads to the emission of EM waves in "many" directions so that a portion of the light ...
... Rayleigh scattering involves the polarization of a small dielectric particle or a region that is much smaller than the light wavelength. The field forces dipole oscillations in the particle (by polarizing it) which leads to the emission of EM waves in "many" directions so that a portion of the light ...
Quantum Optics Devices
... kept in mind that this is only a convenient choice, and by no means the only normal coordinate choice to make. There are many occasions in quantum optics where a different mode decomposition is appropriate, we will come back to that later in Section 1.4. When using the Fourier transformation as the ...
... kept in mind that this is only a convenient choice, and by no means the only normal coordinate choice to make. There are many occasions in quantum optics where a different mode decomposition is appropriate, we will come back to that later in Section 1.4. When using the Fourier transformation as the ...
Theoretical derivation of the depth average of remotely sensed
... chlorophyll maximum, the closer the reflectance was to the uniform case. They also found that larger deviations from the constant case were found when bb(z)was kept constant, but a(z) covaried with Chl(z). Zaneveld [17] previously derived the theoretical dependence of the remotely sensed reflectanc ...
... chlorophyll maximum, the closer the reflectance was to the uniform case. They also found that larger deviations from the constant case were found when bb(z)was kept constant, but a(z) covaried with Chl(z). Zaneveld [17] previously derived the theoretical dependence of the remotely sensed reflectanc ...
Effect of varying electric potential on surface
... The high sensitivity of surface-plasmon resonance 共SPR兲 sensors allows measurements of small variations in surface potentials to be made. We studied the changes of the SPR angle when an oscillating electric potential was applied to a gold film on which surface plasmons were excited. The shifts of th ...
... The high sensitivity of surface-plasmon resonance 共SPR兲 sensors allows measurements of small variations in surface potentials to be made. We studied the changes of the SPR angle when an oscillating electric potential was applied to a gold film on which surface plasmons were excited. The shifts of th ...